Question

1) If - 1 is a zero of the polynomial p(x) = ax^3 - x²+x+4, find the value of a
2) for what value of m, is the polynomial
x²-2mx ² +16 divisible by (x+ 2)
3) If the polynomials px^3+ 4x²+3x -4 and x^3-4x+p are divided by x-3, then
the remainder in each case is the same. Find the value of p.​

Answer 1

Answer:

Honestly I am confused with the third question I will try it...